Science ❯Geology ❯Seismology

Earthquake Measurement

Magnitude Scale Magnitude Richter Scale US Geological Survey Tsunami Generation Impact Assessment Magnitude Scales Seismic Waves Tsunami Formation Tectonic Plates

3.6-Magnitude Quake Shakes New York City and New Jersey

Seismic experts say this tremor is part of a recent string of moderate global quakes that highlights the challenges of forecasting seismic events

4.2-Magnitude Earthquake Strikes Near Rialto, Followed by 3.1 Aftershock

Three Low-Magnitude Quakes Strike Valencia’s Ribera Alta and Horta Sud in Under an Hour

Magnitude 4.6 Earthquake Shakes Campi Flegrei, Strongest in Four Decades

Up to 6.1-Magnitude Quake Strikes Off Hokkaido Coast

Magnitude 6.1 Earthquake Strikes Off Hokkaido Coast, No Tsunami Warning

6.1-Magnitude Quake Off Lima Coast Kills One and Injures Dozens

5.9 Magnitude Quake Strikes Eastern Taiwan

3.4-Magnitude Earthquake Jolts Pinole, California

Magnitude 3.2 Quake Shakes Campi Flegrei at Dawn

Magnitude 6.1 Earthquake Strikes Off Crete, No Major Damage Reported

Magnitude 6.2 Earthquake Strikes Off Crete, Tsunami Alert Lifted

Magnitude 4.4 Earthquake Triggers Evacuations and State of Emergency at Campi Flegrei

Magnitude 6.1 Earthquake Strikes Near Kasos, Greece

3.3 Magnitude Earthquake Shakes East-Central Illinois

4.1-Magnitude Earthquake Shakes Eastern Tennessee, Felt Across Multiple States

Evacuation Orders Lifted After Powerful Earthquake Near Southern South America

3.9-Magnitude Earthquake Rattles Utah and Neighboring States

Magnitude 5.0 Earthquake Shakes Mendoza Province, No Damage Reported

M6.3 Earthquake Strikes Near Ecuador’s Esmeraldas Coast, No Tsunami Threat